The character Al Bundy in the program Married With Chrildren used to wander into his gaff, plonk himself on the couch and shove his hand under the belted section of his trousers (front). It was portrayed as the action od a boorish male.

It'll be in one of my weekend spam posts I'm sure, it should be everywhere though... for one day, then disappear entirely as the phrase loses its coolness by means of scumbags saying it(just like the arcade fire).

Well then you can do the typical "I hate people who put my name in memes response" for it, can't you?